Putter head



FIG. 1 is a perspective view of a putter head illustrating my new design;

FIG. 2 is a top view of the design shown in FIG. 1;

FIG. 3 is a side elevational view of the design shown in FIG. 1; the opposite side being a mirror image thereof;

FIG. 4 is a bottom view of the design of FIG. 1;

FIG. 5 is a left elevational view of the design of FIG. 1; and,

FIG. 6 is a right elevational view of the design of FIG. 1. 

The ornamental design for a putter head, as shown and described. 